4 Complete the conversation with the useful language.Useful languageWhat?That can't be true!You're joking!That's impossible!I don't believe you/it!Are you serious?No way!Rosa: 2Rosa: Is Mike going to come sailing with us?Jack: No! way... ! He's terrified of deep water.? That's ?... ! He's a really good swimmer!Jack: No, it's true. He's got a phobia.Rosa: That 4... true! He's competing in the 50 metrefreestyle at the swimming club next week.Jack: I know, but he's scared of swimming inopen water. I think it's because you can't seethe bottomserious? I didn't think Mike was scared ofanything.Jack: Well, he's afraid of deep water. It's quite acommon phobia, actually.Rosa: You're 6! I've never heard of it.Jack: Mike told me himself.Rosa: I don't ? you! I'm going to call Mike andask him.Rosa: 5​